Inventor
Herbert L Spangler
Inventor
Bethel, OH, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F23Jprimary
F23JRemoval or treatment of combustion products or combustion residues33%
F23LSupplying air or non-combustible liquids or gases to combustion apparatus in general33%
LOC0833%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to IND AIR INC (1)· patent assignee history
1982–2000Based in Bethel, OH, US· patent location history
2000Patents assigned to SPANGLER HERBERT L (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IND AIR INC | 1 | 1982 |
| SPANGLER HERBERT Lself | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bethel, OH, US | 2 | 1982–2000 |