Perry A. Pierce
25Patents
14h-index
22Co-inventors
77Inventor score
Filing activity: Nov 14, 1994 → Sep 26, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5988897A | Method for preventing fraudulent printing of a postage indicium displayed on a personal computer | Physics | 82 | Expired |
| US6175826A | Postage metering system and method for a stand-alone meter having virtual meter functionality | Physics | 80 | Expired |
| US5930796A | Method for preventing stale addresses in an IBIP open metering system | Physics | 63 | Expired |
| US6058384A | Method for removing funds from a postal security device | Physics | 61 | Expired |
| US6680783B1 | Method for preventing the duplicate printing of an IBIP indicium | Physics | 41 | Expired |
| US6296404A | Postage printing system having label printing capability | Physics | 36 | Expired |
| US6098058A | Postage metering system and method for automatic detection of remote postage security devices on a network | Physics | 36 | Expired |
| US6151591A | Postage metering network system with virtual meter mode | Physics | 34 | Expired |
| US6902265B2 | Method for printing high information density machine-readable composite images | Physics | 31 | Expired |
| US6085181A | Postage metering system and method for a stand-alone meter operating as a meter server on a network | Physics | 24 | Expired |
| US6948660B2 | Method for improving the readability of composite images | Physics | 23 | Expired |
| US6202057A | Postage metering system and method for a single vault dispensing postage to a plurality of printers | Physics | 20 | Expired |
| US6865558B1 | Postage metering system having third party payment capability | Physics | 16 | Expired |
| US6957196B1 | Method for auditing a database and system for carrying out such method | Physics | 14 | Expired |
| US6868407B1 | Postage security device having cryptographic keys with a variable key length | Physics | 13 | Expired |
| US6427139B1 | Method for requesting and refunding postage utilizing an indicium printed on a mailpiece | Physics | 11 | Expired |
| US6240196A | Mail generation system with enhanced security by use of modified print graphic information | Physics | 8 | Expired |
| US5666292A | External interface unit having message routing and protocol conversion | Physics | 7 | Expired |
| US5572429A | System for recording the initialization and re-initialization of an electronic postage meter | Physics | 7 | Expired |
| US5570280A | Method for controlling electro-mechanical devices | Physics | 7 | Expired |
| US5552691A | Microprocessor motor control | Physics | 6 | Expired |
| US7110965B1 | Method and system for data repository | Physics | 6 | Expired |
| US6813613B1 | System for printing on a local printer coupled to a meter server postage requested from a remote computer | Physics | 2 | Expired |
| US7337969B2 | Method for improving the readability of composite images | Physics | 0 | Active |
| US6138108A | Postage metering system and method on a network | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.