Patent · US Expired

Dental handpiece

USD305935S · kind S · design

20Cited by

7References

1Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Reinhard Straihammer
Werner Schuss · Heppenheim, DE

Key dates

Filing date	Oct 6, 1987
Grant date	Feb 6, 1990
Priority date	—
Expiry date	Feb 6, 2004

Classification

Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.