Inventor
John W. Chapman
Inventor
Franksville, WI, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Kprimary
A01KAnimal husbandry56%
LOC2222%
H04BTransmission11%
H04LTransmission of digital information, e.g. telegraphic communication11%
PatentTitleYear
10,985,800Echo cancellation to alleviate timing varying channels202110,911,210Time division duplex (TDD) full duplex (FDX) with a remote duty cycle (DS) framer20216,412,722'Bait cast control fishing reel'2002D0433092'Bait cast fishing reel'2000D0423074'Bait cast fishing reel'20006,032,894'Cartridge spool system for bait cast fishing reel'20005,988,548'Easy hold fishing reel body'19995,738,292'Selective continuous anti-reverse mechanism for a fishing reel'1998D0336326'Spincasting reel seat for a fishing rod'1993D0335525'Spinning reel seat for a fishing rod'19935,040,743'Spinning reel with rear-actuated front drag'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1993Patents assigned to ZEBCO CORP (3)· patent assignee history
1991–1993Based in Tulsa, OK, US· patent location history
1998–2000Based in Franksville, WI, US· patent location history
1999Patents assigned to JOHNSON WORLDWIDE ASSOCIATES (1)· patent assignee history
2000Patents assigned to FISHING SPIRIT INC (1)· patent assignee history
2000Patents assigned to JOHNSON WORLDWIDE ASS INC (1)· patent assignee history
2002Based in Spirit Lake, IA, US· patent location history
2021Patents assigned to CISCO TECH INC (2)· patent assignee history
2021Based in Orange, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZEBCO CORP | 3 | 1991–1993 |
| CISCO TECH INC | 2 | 2021 |
| FISHING SPIRIT INC | 1 | 2000 |
| JOHNSON WORLDWIDE ASS INC | 1 | 2000 |
| JOHNSON WORLDWIDE ASSOCIATES | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Franksville, WI, US | 5 | 1998–2000 |
| Tulsa, OK, US | 3 | 1991–1993 |
| Orange, California, US | 2 | 2021 |
| Spirit Lake, IA, US | 1 | 2002 |