Inventor
Guenter G. Fietzke
Inventor
Forest, VA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing15%
G01BMeasuring length, thickness or similar linear dimensions15%
G01MTesting static or dynamic balance of machines or structures15%
Y10TTechnical subjects covered by former us classification15%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling8%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding8%
G05BControl or regulating systems in general8%
H01RElectrically-conductive connections8%
LOC158%
PatentTitleYear
6,618,952'Tracer, clamp, and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap'20036,243,960'Tracer, clamp and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap'2001D0435053'Eyeglass frame tracer'20006,138,346'Portable hand-held battery-powered crimping tool'20004,820,092'Touch sensing method and apparatus'19894,644,792'Method and apparatus for determining the mass center of a body'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1989Patents assigned to AMERICAN HOFMANN CORP (2)· patent assignee history
1987–1989Based in Lynchburg, VA, US· patent location history
2000Patents assigned to CONNECTOOL INC (1)· patent assignee history
2000Patents assigned to NAT OPTRONICS INCORPORATED (1)· patent assignee history
2000–2003Based in Forest, VA, US· patent location history
2001–2003Patents assigned to NAT OPTRONICS INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN HOFMANN CORP | 2 | 1987–1989 |
| NAT OPTRONICS INC | 2 | 2001–2003 |
| CONNECTOOL INC | 1 | 2000 |
| NAT OPTRONICS INCORPORATED | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Forest, Virginia, US | 4 | 2000–2003 |
| Lynchburg, Virginia, US | 2 | 1987–1989 |